Vaata neljapäev, 28 november 2013 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2013 Nov 28 1358 UTC

SIDC Forecast

Valid from 1230 UTC, 28 Nov 2013 until 30 Nov 2013
Päikesepursked ehk loited

Eruptive (C-class flares expected, probability >=50%)

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
28 Nov 2013129001
29 Nov 2013133001
30 Nov 2013136005

Bulletin

Two C-class flare sin past 24h. NOAA AR 1906 produced a C1.4 flare peaking at 00:41 UT, the other one was seen from behind the west limb. More C-class flares can be expected. A partial halo CME was seen by LASCO-C2 at 15:13 UT on November 27, related to a filament eruption in the northern hemisphere. This eruption is mostly directed to the north, but a glancing blow to the Earth is possible. The calculated speed is 540 km/s, giving a probable arrival on November 30 around 17:00 UT. Solar wind speed is very low (260 km/s) with magnetic field around 5nT. Geomagnetic conditions have been quiet and are expected to remain so.

Today's estimated international sunspot number (ISN): 073, based on 07 stations.

Solar indices for 27 Nov 2013

Wolf number Catania100
10cm solar flux129
AK Chambon La Forêt///
AK Wingst001
Estimated Ap002
Estimated international sunspot number054 - Based on 18 stations

Noticeable events summary

DayBeginMaxLõppLocStrengthOP10cmCatania/NOAARadio burst types
Puuduvad

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

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